Communication system



April 5, 1966 A. zARoUNl COMMUNICATION SYSTEM 23 Sheets-Sme?I 1 Filed March 14, 1963 III VvE/v70@ A. ZAROUN/ ATTORNEY April 5, 1966 A. ZAROUNI 3,244,814

COMMUNICATION SYSTEM Filed March 14, 1963 23 Sheets-Sheet 2l April 5, 1966 A. zARoUNl COMMUNICATION SYSTEM Filed March 14, 1963 Aprll 5, 1966 A. zARoUNx COMMUNICATION SYSTEM 25 SheeLs-Sheefl 4 Filed March 14, 1963 Aprilr 5, 1966 A. ZAROUNI COMMUNICATION SYSTEM 23 Sheets-Sheet 5 Filed March 14, 1963 April 5, 1966 A. zARouNl COMMUNICATION SYSTEM 23 Sheets-Sheet I6 Filed March 14, 1963 April 5, 1966 A. zARouNl 3,244,814

` COMMUNICATION SYSTEM Filed March 14, 1963 23 Sheets-Sheet 7 /NCOM/NG TRUNK 2 April 5, 1966 A. ZAROUNI 3,244,814

COMMUNI CATIGN SYSTEM Filed March 14, 1963 23 Sheets-Shea?l 8 no LL /NCOM/NG TRUNK 3 April 5, 1966 A. zARoUNl COMMUNICATION SYSTEM 25 SheetS-Sheet 9 Filed March 14, 1963 NIO@ MIO@

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COMMUNICATION SYSTEM Filed March 14, 1963 25 Sheets-Sheet 13 April 5, 1966 A. zARouNl 3,244,814

COMMUNICATION SYSTEM A. zARoUNI 3,244,814

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23 Sheets-Sheet 17 Filed March 14, 1963 A. ZAROUNI April 5, 1966 COMMUNICATION SYSTEM 23 Sheets-Sheet 18 Filed March 14, 1963 KDO April 5, 1966 A. zARoUNl COMMUNICATION SYSTEM 23 SI'vaetS-Shee'cI 19 Filed March 14, 1963 s. kwmuww M, vmi@ $.52.

23 Sheets-Sheet 20 Filed March 14, 1965 KDL IIT-

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1. IN A COMMUNICATION SYSTEM WHEREIN LINES ARE ARRANGED TO RECEIVE AND TO TRANSMIT DATA REPRESENTED BY SERIALLY RELATED ELECTRICAL PULSES: (1) A PLURALITY OF LINES EACH COMPRISING (A) MEANS RESPONSIVE TO RECEIVED DATA PULSES FOR GENERATING SUCCESSIVE INCOMING CONTROL PULSES CORRESPONDING IN TIME OCCURRENCE TO SUCCESSIVE RECEIVED DATA PULSES WHERE SAID INCOMING CONTROL PULSE OCCURRENCE RATE IS RANDOMLY VARIABLE FROM LINE TO LINE, (B) AND MEANS FOR GENERATING LOCAL CONTROL PULSES AT AN OCCURRENCE RATE LOCAL TO AND INDIVIDUAL TO SAID LINE AND INDEPENDENT OF SAID INCOMING CONTROL PULSE RATE WHERE SAID LOCAL PULSE OCCURRENCE RATE IS RANDOMLY VARIABLE FROM LINE TO LINE; (2) MEANS COMMON TO SAID LINES FOR GENERATING DIFFERENT-DISCRETE-TIME-SLOT CONTROL PULSES FOR DIFFERENT LINES, (A) EACH SAID COMMON CONTROL PULSE BEING OF A GIVEN PULSE WIDTH INTERVAL, (B) AND THE TIME-SLOT RECURRENCE RATE BEING AT LEAST AS FAST AS THE FASTEST OF SAID INCOMING AND LOCAL PULSE RATES; (3) AND, MEANS IN EACH LINE CONTROLLED BY SAID THREE GENERATING MEANS FOR CAUSING SAID LINE (A) TO PROCESS RECEIVED DATA PULSES ONLY DURING ITS INDIVIDUAL TIME-SLOT BUT AT THE SAID INCOMING PULSE RATE, (B) AND TO PROCESS TRANSMITTED DATA PULSES ONLY DURING ITS INDIVIDUAL TIME-SLOT BUT AT THE SAID LOCAL PULSE RATE. 